Determine if the sequence is geometric if it is , find the common ratio the 8th term , the formula -3 , 27,-123, 627

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

What is the measure of one interior angle of a pentagon

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.